(9-2 2/3 • 2 1/7) • 21/46 Помогите пожалуйста!
1) 2 2/3* 2 1/7= 8/3*15/7= 40/7= 5 5/7 2) 9-5 5/7= 4- 5/7= 4/1-5/7=28/7-5/7= 23/7 3)23/7*21/46= 3/2
(9 - * 2 ) * = 1
1) 2 * 2 = * = = 5
2) 9 - 5 = 8 - 5 = 3
3) 3 * = * = = 1